在结构选型中存在着很多影响因素，包括定量和不定量的。
There are many quantitative and faintness factors during the structural form selection .
他是一揽子合同(umbrella contract)的批评者，这类合同在一个大合同下包含着许多不同的协议，诸如人们所知的“不定期交货合同，不定量合同。”
He’s a critic of ”umbrella” contracts, which allow large amounts of diverse work to fall under one contract, like what are known as “indefinite delivery–indefinite quantity” contracts.
离心式污水泵(即污水提升泵)，是典型的以输送固液两相流为主，同时含有不定量气体的多相流流体机械。
The centrifugal sewage pump is the typical multi-phase flow fluid machinery, which is mainly used to transport and lift solid-liquid two-phase flow including a certain extent of gas.
应用推荐